Infiniband card fails to initialize after kernel update in RHEL 7.5

Solution Verified - Updated -

Issue

  • Infiniband cards are not coming up after a kernel update.
  • Below error message is shown in the log messages.

    failed to modify QP to RTR: -22
    

Environment

  • Red Hat Enterprise Linux 7.5
  • kernel-3.10.0-862.11.6.el7
  • MTU > 2044

Subscriber exclusive content

A Red Hat subscription provides unlimited access to our knowledgebase, tools, and much more.

Current Customers and Partners

Log in for full access

Log In

New to Red Hat?

Learn more about Red Hat subscriptions

Using a Red Hat product through a public cloud?

How to access this content